TERMIUM Plus®

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FUNDAMENTAL MOTION [3 records]

Record 1 2020-10-13

English

Subject field(s)
  • Computer Mathematics
  • Computer Programs and Programming
CONT

Collision detection algorithms are fundamental in robot motion planning. They serve different purposes depending on the application. In fine motion planning, collision detection algorithms determine the time and location of contacts, a necessary step in computing contact forces. In gross motion planning, collision detection algorithms are used to report the distances between objects, with the aim of constructing feasible motion paths, or keeping the robot maximally clear from obstacles, or building maps of the environment.

French

Domaine(s)
  • Mathématiques informatiques
  • Programmes et programmation (Informatique)
CONT

Le maillage obtenu n'est toujours pas exploitable par l'algorithme de détection de collision, car il n'est ni convexe ni même fermé. Les algorithmes de détection de collision nécessitent en général des objets uniquement convexes pour fonctionner correctement du fait de leur nature même.

Key term(s)
  • algorithme de détection de collisions

Spanish

Save record 1

Record 2 2006-05-16

English

Subject field(s)
  • Chemical Elements and Compounds
  • Photography
  • Geochemistry
DEF

A compound of the type MX, where X is fluorine, chlorine, bromine, or astatine, and M is another element or organic radical.

CONT

In photography the silver halides, as chloride, bromide and iodide, form the most important light-sensitive substances which are fundamental to all the emulsions used in motion picture work.

CONT

Among inorganic contaminants that can be treated by hydrolysis are metals that react with water: metal carbides (calcium carbide), hydrides (sodium aluminium hydride, NaAlH4), amides (sodium amide, NaNH2), alkoxides (sodium ethoxide, NaOC2H5) and halides (silicon tetrachloride, SiCl4).

OBS

In marine environments, evaporite deposits comprise essentially pure halite ... and various halides (Cl, Br, I) of Ca, K, Na, Mg, and Sr.

French

Domaine(s)
  • Éléments et composés chimiques
  • Photographie
  • Géochimie
DEF

Combinaison d'un halogène avec un autre élément ou un radical.

OBS

haloïde (adj.) : Se dit des sels résultant de la combinaison d'un halogène avec un autre élément très électropositif.

OBS

Dans les milieux marins, les dépôts évaporitiques sont composés essentiellement de halite pure [...] à laquelle peuvent s'ajouter [...] divers halogénures (Cl,Br,I) de Ca, de K, de Na, de Mg et de Sr.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Fotografía
  • Geoquímica
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Record 3 1988-05-13

English

Subject field(s)
  • Environmental Studies and Analyses
  • Air Pollution
  • Atmospheric Physics
CONT

Dispersion theory.... Turbulent motion is one of the most fundamental atmospheric properties which causes diffusion of air pollutants.... The basic sets of parameters affecting diffusion can be classified as meteorological, topographical and source characteristics. The first two, which include wind speed, wind direction and thermal stability, are mutually dependent. The latter set depends on source type, height and emission rate.... The distinction between point and area sources depends on the scale of the problem under examination. For a global pollution problem, the city, as a source of pollution, could be approximated to a point source rather than an area source.

French

Domaine(s)
  • Études et analyses environnementales
  • Pollution de l'air
  • Physique de l'atmosphère

Spanish

Save record 3

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